CURRENT BAND CONDX = Solar-terrestrial indices for 28 June follow. Solar flux 72 and estimated planetary A-index 5. The estimated planetary K-index at 2100 UTC on 28 June was 0. No space weather storms were observed for the past 24 hours. No space weather storms are predicted for the next 24 hours.

ALERT CONDITION: WHISKY ( WHITE )

Wednesday, June 28, 2017 - 22:21 GMT - UPDATE # 45

OPERATIONAL FORECAST. - GEOMAGNETIC FIELD. The geomagnetic field is expected to be mostly quiet for day one (28 Jun). Quiet to unsettled conditions are likely late on days two and three (29-30 Jun) due to the anticipated influence from an equatorial, positive polarity CH HSS. .- SOLAR ACTIVITY. Solar activity is expected to be very low with a slight chance for C-class flares over the next three days (28-30 Jun).

G/S/R SCALES USED     DEF'S USED     LIGHTNING - (QRN)


HF OPERATIONAL BRIEFING - CURRENT CONDITIONS IN DETAIL

CURRENT SOLAR CONDITIONS


VISIBLE DISK

 


SOLAR MAGNETOGRAM

 


NEAR INFRARED

 


SUNSPOT TRACKING

 

Solar activity was very low. Region 2664 (N18W25, Hsx/alpha) underwent decay and was inactive. There were no Earth-directed CMEs observed in available satellite imagery.


RADIO BLACKOUTS - SOLAR STORMS - GEOMAGNETIC STORMS

The geomagnetic field was at quiet levels.


"D" LAYER - HF ATTENUATION LEVELS


AURORA  -   NORTH POLE  - SHORT PATH